Reports indicate that a magnitude 6.6 earthquake struck the eastern Kamchatka region leaving the epicenter located at a depth of 22.8 km or (14.1 miles). Sources indicate that it was shortly followed by a Magnitude 4.9 earthquake at 04:34 UTC.

This earthquake generated no tsunami threat however shaking was felt in many locations in the Ust-Kamchatsky district (Ust-Kamchatsk, Keys, Kozirevsk).